"Our pipeline is very full and very productive. We're able to advance a lot of products," president and CEO Joseph Kim said in an interview with "Power Lunch " on Tuesday. "We can rapidly and safely move these programs forward."

The early-stage Zika study will enroll 40 healthy subjects and evaluate safety, tolerability and immune response to the vaccine.

The World Health Organization declared Zika a global health emergency. The illness has been associated with microcephaly, a birth defect characterized by an usually small head and potential developmental problems.